Home / 1,904,553.92-2,628,276.98-1,045,128.54

Finding the Fourth Proportional to 1,904,553.92, 2,628,276.98 and 1,045,128.54

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Solution

The fourth proportional to 1,904,553.92, 2,628,276.98 and 1,045,128.54 is: 1,442,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,553.92 : 2,628,276.98 = 1,045,128.54 : x
  2. Step 2: Convert to fraction form
    1,904,553.92/2,628,276.98 = 1,045,128.54/x
  3. Step 3: Cross multiply
    1,904,553.92x = 2,628,276.98 × 1,045,128.54
  4. Step 4: Simplify right side
    1,904,553.92x = 2,746,887,282,823.01
  5. Step 5: Solve for x
    x = 2,746,887,282,823.01/1,904,553.92
  6. Step 6: Final answer
    x = 1,442,273.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.